Business Utilities v1.0 by Minnesota Educational Computing Corporation (MECC). Published 1985. Includes Savings Interest, Installment Loans, and Payroll.
From MECC's 1986 catalog:
Senior Business High - Adult
A versatile business education tool.
This collection of practical programs helps students perform a variety of
common business functions. Calculate interest on savings accounts or
certificates of deposit. Determine the payment amount or the principal
amount of a loan by entering variables.
Compute a small company's payroll, including federal withholding, by
entering deduction data.
No. A-143 .................. $49.00
(From MECC 1986 catalog- PDF